Skull Flashcards
What are the 3 broad components of the skull?
- Face
- Cranium
- Mandible
Which bones are found most caudally on the skull?
Parietal and occipital
Failure to close the primary palate results in what?
Cleft lip
How many parts make up the occipital bone?
4
What is the name of the foramen in the centre of the occipital bone?
Foramen magnum
What causes Syringomyelia (common to CKCS)?
Occipital bone is undersized
Cerebellum becomes pressed against the foramen magnum
Pockets of CSF build up within the brain
What is the genu?
Where the left and right mandible come together
What is the highest point of the mandible?
Coronoid process
Why is the mandible so greatly expanded in a horse/ruminant?
- Constantly chewing so more extensive muscles needed
Which line is used as a reference point for nerve blocks during horn removal?
Temporal line
What is the tympanic bulla?
Part of the temporal bone - filled with air, contains the middle ear
What is the hyoid apparatus?
A series of small bones and cartilages that together form a suspensory mechanism for the tongue and larynx
What is unpaired and joins the two sides of the hyoid apparatus together?
Basihyoid
What are the 3 groups of dog head shapes?
Dolichocephalic
Mesaticephalic
Brachycephalic
What are the 3 groups of horse head shapes?
Convex
Straight
Concave